Transmission problem
2001 GMC Jimmy 6 cyl Four Wheel Drive Automatic 72000 miles
Heard loud popping noise when i put car in reverse. Now it wont go in reverse and makes a loud whirring noise and very slow(feels like you are driving with emergency brake on) going forward.All fluids have been checked,and no leaks under car.It also smelled like rubber burning. Any ideas? I'm on my own trying to fix this. Thanks in advace for any help.